/ Dictionary / Index T thymectomy: Meaning and Definition of Find definitions for: thy•mec•to•my Pronunciation: (thī-mek'tu-mē), [key] — pl. -mies. surgical removal of the thymus gland. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. thyme -thymia Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language